Average annual temperature is 15.9 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 239 days
Number of rainy days: 126 days
Look at detailed online map of Byrnavon
* Weather data for Byrnavon South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.3 | 32.6 | 31.3 | 27.8 | 25.5 | 21.6 | 22.9 | 24.7 | 31.8 | 34.6 | 38.0 | 37.0 |
| Average daytime temperature (°C) | 30.1 | 27.3 | 27.4 | 23.2 | 18.6 | 15.4 | 16.5 | 20.3 | 23.3 | 26.9 | 30.6 | 29.8 |
| Average temperature (°C) | 22.1 | 20.4 | 19.5 | 14.9 | 10.9 | 8.0 | 8.3 | 11.0 | 14.7 | 17.8 | 22.3 | 21.7 |
| Average night temperature (°C) | 14.8 | 14.2 | 12.6 | 7.4 | 4.4 | 1.8 | 1.2 | 2.5 | 6.1 | 9.3 | 13.4 | 14.5 |
| Absolute minimum temperature (°C) | 8.9 | 9.0 | 6.9 | 2.1 | -1.9 | -1.9 | -3.0 | -3.1 | -0.9 | 4.2 | 6.0 | 10.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.5 | 10.8 | 10.8 | 10.0 | 8.6 | 8.8 | 9.0 | 9.9 | 10.1 | 11.2 | 11.9 | 11.7 |
| Precipitation (mm) | 117 | 109 | 48 | 26 | 93 | 12 | 21 | 3 | 37 | 24 | 22 | 149 |
| Sunny days | 16 | 12 | 12 | 24 | 23 | 25 | 24 | 29 | 24 | 20 | 20 | 10 |
| Rainy days | 15 | 16 | 19 | 6 | 8 | 5 | 7 | 2 | 6 | 11 | 10 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Byrnavon is at